DE3278519D1 - Asynchronous interface - Google Patents

Asynchronous interface

Info

Publication number
DE3278519D1
DE3278519D1 DE8282305647T DE3278519T DE3278519D1 DE 3278519 D1 DE3278519 D1 DE 3278519D1 DE 8282305647 T DE8282305647 T DE 8282305647T DE 3278519 T DE3278519 T DE 3278519T DE 3278519 D1 DE3278519 D1 DE 3278519D1
Authority
DE
Germany
Prior art keywords
asynchronous interface
asynchronous
interface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8282305647T
Other languages
German (de)
Inventor
David W Palermo
David W Ricci
Joe E Marriott
Thomas J Heger
Roger D Quick
Steven L Harper
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HP Inc
Original Assignee
Hewlett Packard Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/319,559 external-priority patent/US4451898A/en
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE3278519D1 publication Critical patent/DE3278519D1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/34—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices
    • G11C11/40—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors
    • G11C11/41—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using semiconductor devices using transistors forming static cells with positive feedback, i.e. cells not needing refreshing or charge regeneration, e.g. bistable multivibrator or Schmitt trigger
    • G11C11/413—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing, timing or power reduction
    • G11C11/417—Auxiliary circuits, e.g. for addressing, decoding, driving, writing, sensing, timing or power reduction for memory cells of the field-effect type
    • G11C11/419—Read-write [R-W] circuits
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
    • G06F12/0646—Configuration or reconfiguration
    • G06F12/0669—Configuration or reconfiguration with decentralised address assignment
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4208—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a system bus, e.g. VME bus, Futurebus, Multibus
    • G06F13/4213—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a system bus, e.g. VME bus, Futurebus, Multibus with asynchronous protocol
DE8282305647T 1981-11-09 1982-10-25 Asynchronous interface Expired DE3278519D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31956181A 1981-11-09 1981-11-09
US06/319,559 US4451898A (en) 1981-11-09 1981-11-09 Asynchronous interface message transmission using source and receive devices

Publications (1)

Publication Number Publication Date
DE3278519D1 true DE3278519D1 (en) 1988-06-23

Family

ID=26982059

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282305647T Expired DE3278519D1 (en) 1981-11-09 1982-10-25 Asynchronous interface

Country Status (2)

Country Link
EP (1) EP0079159B1 (en)
DE (1) DE3278519D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5296936A (en) * 1991-07-22 1994-03-22 International Business Machines Corporation Communication apparatus and method for transferring image data from a source to one or more receivers
WO2007084134A1 (en) * 2006-01-23 2007-07-26 Semiconductor Components Industries, L.L.C. Communication circuit and method therefor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3803560A (en) * 1973-01-03 1974-04-09 Honeywell Inf Systems Technique for detecting memory failures and to provide for automatically for reconfiguration of the memory modules of a memory system
GB1463626A (en) * 1974-05-01 1977-02-02 Solartron Electronic Group Data transmission system
SE393723B (en) * 1975-09-18 1977-05-16 Philips Svenska Ab WAY TO TRANSFER DATA BETWEEN A CENTRAL STATION AND A NUMBER OF TERMINAL STATIONS VIA A CLOSED SERIES TRANSMISSION LOOP AND FACILITIES FOR CARRYING OUT THE KIT
JPS52117004A (en) * 1976-03-29 1977-10-01 Hitachi Ltd Error control for loop transmission

Also Published As

Publication number Publication date
EP0079159A3 (en) 1985-05-08
EP0079159A2 (en) 1983-05-18
EP0079159B1 (en) 1988-05-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee